Joe Ptak, Cameron and Donna Northouse

Joe Ptak (left), Cameron and Donna Northouse opened the Dark Sky Cafe and Clayton Fine Books on Charles Street that has attracted 21 new businesses and other developments since 2002.

Joe Ptak (left), Cameron and Donna Northouse opened the Dark Sky Cafe and Clayton Fine Books on Charles Street that has attracted 21 new businesses and other developments since 2002. (Sun photo by Lloyd Fox)

Joe Ptak (left), Cameron and Donna Northouse opened the Dark Sky Cafe and Clayton Fine Books on Charles Street that has attracted 21 new businesses and other developments since 2002.